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Paladinen [302]

3 years ago

12

How many grams of KCl are produced in 2KClO3 → 2KCl+ 3O2?

1 answer:

Artist 52 [7]3 years ago

3 0

Answer:

4 grams of KCL are produced in this chemical formula

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Why do birds have hollow bones

Minchanka [31]

$Hollow \: bones \: are \: also \: called \\ pneumatized \: bones, \: meaning \: they're \: filled \\ with \: space \: for \: air. \: It \\ is \: thought \: that \: this \: structure \\ helps \: with \: oxygen \: intake \: during \\ flight. \: Air \: sacs \: are \: attached \: to \\ the \: hollow \: areas \: in \: a \: bird's \: bones. ... \\ This \: adds \: more \: oxygen \: to \\ the \: blood, \: providing \: a \\ bird \: with \:extra \:energy \:for\: flight.$

6 0

3 years ago

If 65.5 ml of HCl stock solution is used to make 450 ml of a 0.675 M HCl dilution, what is the molarity of the stock solution ?

Talja [164]

<u>Answer:</u> The molarity of the stock solution is 4.64 M

<u>Explanation:</u>

To calculate the molarity of the diluted solution, we use the equation:

$M_1V_1=M_2V_2$

where,

$M_1\text{ and }V_1$ are the molarity and volume of the stock solution

$M_2\text{ and }V_2$ are the molarity and volume of diluted solution

We are given:

$M_1=?M\\V_1=65.5mL\\M_2=0.675M\\V_2=450mL$

Putting values in above equation, we get:

$M_1\times 65.5=0.675\times 450\\\\M_1=4.64M$

Hence, the molarity of the stock solution is 4.64 M

8 0

3 years ago

What’s the answer plz help quick ?????

UNO [17]

Your independent variable would be salt because it doesn't change the only thing that changes is the water.

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3 years ago

What is the correct name for N2O

krek1111 [17]

Explanation:

Nitrous oxide

^_^^.^^.^

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3 years ago

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How many moles of nitrogen are formed when 58.6 g of KNO3 decomposes according to the following reaction? The molar mass of KNO3

geniusboy [140]

Hope this helps you!

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3 years ago

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